@charset "utf-8";
* {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
html {
  font-size: calc(100vw / 7.5);
  width: 100%;
  height: 100%;
  background: transparent;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-text-size-adjust: 100%;
}
html,
body,
ul,
li,
div,
img,
p,
h1,
h2,
h3,
h4,
header,
section,
footer,
nav,
input {
  padding: 0;
  margin: 0;
}
body {
  // font-size: 16px;
  width: 100%;
  height: 100%;
  font-family: Helvetica, 'Hiragino Sans GB', 'Microsoft YaHei', Simsun, 'Droid Sans Fallback', sans-serif; 
  -webkit-tap-highlight-color:rgba(0,0,0,0);
  -webkit-overflow-scrolling: touch;
}
ul,
ol {
  list-style: none;
}
//清除输入框内阴影 
button,
input,
select,
textarea {
  border: 0;
 -webkit-appearance: none;
  appearance: none;
}
a {
  text-decoration: none;
}

img,
a {
  -webkit-touch-callout: none;
}
//去掉点击链接和文本框对象时默认的灰色半透明覆盖层(iOS)或者虚框(Android)
a,
button,
input,
textarea {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
img {
  border: 0 currentColor;
  // vertical-align: top;
}
button,
input {
  outline: none;
  border: none;
}

